Washing machine



FIG. 1 is a perspective view of a washing machine showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The elements shown in dotted lines are provided for illustrative purposes only and form no part of the design claimed. 

What is claimed is the ornamental design for a washing machine, as shown and described. 